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https://github.com/openvswitch/ovs
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e0edde6fee
Replaced all instances of Nicira Networks(, Inc) to Nicira, Inc. Feature #10593 Signed-off-by: Raju Subramanian <rsubramanian@nicira.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
/*
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* This file is from the Apache Portable Runtime Library.
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* The full upstream copyright and license statement is included below.
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* Modifications copyright (c) 2009 Nicira, Inc.
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*/
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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* NIST Secure Hash Algorithm
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* heavily modified by Uwe Hollerbach uh@alumni.caltech edu
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* from Peter C. Gutmann's implementation as found in
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* Applied Cryptography by Bruce Schneier
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* This code is hereby placed in the public domain
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*/
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#ifndef SHA1_H
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#define SHA1_H
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#define SHA1_DIGEST_SIZE 20 /* Size of the SHA1 digest. */
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#define SHA1_HEX_DIGEST_LEN 40 /* Length of SHA1 digest as hex in ASCII. */
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/* SHA1 context structure. */
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struct sha1_ctx {
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uint32_t digest[5]; /* Message digest. */
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uint32_t count_lo, count_hi; /* 64-bit bit counts. */
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uint32_t data[16]; /* SHA data buffer */
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int local; /* Unprocessed amount in data. */
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};
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void sha1_init(struct sha1_ctx *);
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void sha1_update(struct sha1_ctx *, const void *, size_t);
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void sha1_final(struct sha1_ctx *, uint8_t digest[SHA1_DIGEST_SIZE]);
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void sha1_bytes(const void *, size_t, uint8_t digest[SHA1_DIGEST_SIZE]);
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#define SHA1_FMT \
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" \
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
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#define SHA1_ARGS(DIGEST) \
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((DIGEST)[0]), ((DIGEST)[1]), ((DIGEST)[2]), ((DIGEST)[3]), \
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((DIGEST)[4]), ((DIGEST)[5]), ((DIGEST)[6]), ((DIGEST)[7]), \
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((DIGEST)[8]), ((DIGEST)[9]), ((DIGEST)[10]), ((DIGEST)[11]), \
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((DIGEST)[12]), ((DIGEST)[13]), ((DIGEST)[14]), ((DIGEST)[15]), \
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((DIGEST)[16]), ((DIGEST)[17]), ((DIGEST)[18]), ((DIGEST)[19])
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void sha1_to_hex(const uint8_t digest[SHA1_DIGEST_SIZE],
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char hex[SHA1_HEX_DIGEST_LEN + 1]);
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bool sha1_from_hex(uint8_t digest[SHA1_DIGEST_SIZE], const char *hex);
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#endif /* sha1.h */
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